qgsvaluerelationsearchwidgetwrapper.h

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/***************************************************************************
    qgsvaluerelationwidgetwrapper.h
     --------------------------------------
    Date                 : 19.6.2015
    Copyright            : (C) 2015 Karolina Alexiou
    Email                : carolinegr at gmail dot com
 ***************************************************************************
 *                                                                         *
 *   This program is free software; you can redistribute it and/or modify  *
 *   it under the terms of the GNU General Public License as published by  *
 *   the Free Software Foundation; either version 2 of the License, or     *
 *   (at your option) any later version.                                   *
 *                                                                         *
 ***************************************************************************/

#ifndef QGSVALUERELATIONSEARCHWIDGETWRAPPER_H
#define QGSVALUERELATIONSEARCHWIDGETWRAPPER_H

#include "qgsdefaultsearchwidgetwrapper.h"
#include "qgsvaluerelationwidgetwrapper.h"

#include <QComboBox>
#include <QListWidget>
#include <QLineEdit>

class QgsValueRelationWidgetFactory;

class GUI_EXPORT QgsValueRelationSearchWidgetWrapper : public QgsDefaultSearchWidgetWrapper
{
    Q_OBJECT

  public:
    typedef QPair < QVariant, QString > ValueRelationItem;
    typedef QVector < ValueRelationItem > ValueRelationCache;

  public:
    explicit QgsValueRelationSearchWidgetWrapper( QgsVectorLayer* vl, int fieldIdx, QWidget* parent = 0 );
    bool applyDirectly() override;
    QVariant value();


  protected:
    QWidget* createWidget( QWidget* parent ) override;
    void initWidget( QWidget* editor ) override;

  public slots:
    void valueChanged();

  private:
    QComboBox* mComboBox;
    QListWidget* mListWidget;
    QLineEdit* mLineEdit;

    ValueRelationCache mCache;
    QgsVectorLayer* mLayer;

    friend class QgsValueRelationWidgetFactory;
};

#endif // QGSVALUERELATIONSEARCHWIDGETWRAPPER_H